Rich in active gases or metals — a strong mineral character.
Buoyancy
Standard buoyancy
LowHigh
Soft water — natural, classic buoyancy.
SoufreSulfuresSulfates
Kawanobe K Onsen is located in Minamikyūshū, Kagoshima Prefecture on Kyūshū island. Its thermal, sulfurous water reaches 44°C and feeds an indoor bath, an outdoor rotenburo and a sauna.
Insider tip — An onsen in Minamikyūshū city, Kagoshima — a volcanic landscape near the Kirishima mountain range and the historic Chiran samurai town (also site of a kamikaze airbase). The geothermal activity of southern Kyushu's volcanic zone produces warm, sulfurous waters typical of the Kagoshima basin.